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ATK LQ4-LB-1 Stage 1 Long Block Crate Engine – GM 365 LQ4, 550 HP

The ATK LQ4-LB-1 is a remanufactured GM 365 LQ4 (6.0L) Stage 1 long block rated 550 HP, with 10.3:1 compression, aluminum heads, cast iron block, hydraulic roller cam and internal balance. Only the cylinder heads are included; other components are not included.

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$4,977.98
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6.0L/364Actual Engine Displacement
10.3:1Advertised Compression Ratio
NoAir Cleaner Included
YesAssembled
Trusted performanceBuilt for real conditions
Used by professionalsEquipment for demanding work
Reliable shippingWith NST Cargo support
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PERFORMANCE STARTS AT THE CORE

BUILT TO KEEP
EQUIPMENT RUNNING

The ATK LQ4-LB-1 is a remanufactured GM 365 LQ4 (6.0L) Stage 1 long block rated 550 HP, with 10.3:1 compression, aluminum heads, cast iron block, hydraulic roller cam and internal balance. Only the cylinder heads are included; other components are not included.

  • Actual Engine Displacement: 6.0L/364
  • Advertised Compression Ratio: 10.3:1
  • Air Cleaner Included: No
  • Assembled: Yes
  • Brand: ATK High Performance Engines
ATK LQ4-LB-1 Stage 1 Long Block Crate Engine – GM 365 LQ4, 550 HPDependable
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COMPLETE PRODUCT INFORMATION

Full Product Description

The ATK LQ4-LB-1 is a remanufactured GM 365 LQ4 (6.0L) Stage 1 long block rated 550 HP, with 10.3:1 compression, aluminum heads, cast iron block, hydraulic roller cam and internal balance. Only the cylinder heads are included; other components are not included.

Specifications

  • Brand: ATK High Performance Engines
  • Part / Model Number: LQ4-LB-1
  • Actual Engine Displacement: 6.0L/364
  • Advertised Compression Ratio: 10.3:1
  • Assembled: Yes
  • Cam Style: Hydraulic roller
  • Crate Engine Cylinder Head Material: Aluminum
  • Crate Engine Family: Chevy LS
  • Engine Balance: Internal
  • Engine Block Material: Cast iron
  • Part Type: Crate Engines
  • Product Line: ATK High Performance GM 365 LQ4 550 HP Stage 1 Long Block Crate Engines
  • Rear Main Seal Style: 1-piece
  • Remanufactured: Yes

Included: Cylinder Heads.

Technical Specifications

Product data
ProductATK LQ4-LB-1 Stage 1 Long Block Crate Engine – GM 365 LQ4, 550 HP
SKULQ4-LB-1
Actual Engine Displacement6.0L/364
Advertised Compression Ratio10.3:1
Air Cleaner IncludedNo
AssembledYes
BrandATK High Performance Engines
Cam StyleHydraulic roller, OE roller
Carburetor IncludedNo
Computer IncludedNo
Crate Engine Cylinder Head MaterialAluminum
Crate Engine FamilyChevy LS
Cylinder Heads IncludedYes
Distributor IncludedNo
Engine BalanceInternal
Engine Block MaterialCast iron
Flexplate IncludedNo
Flywheel IncludedNo
Harmonic Balancer IncludedNo
Intake Manifold IncludedNo
Manufacturer's Part NumberLQ4-LB-1
Oil Pan IncludedNo
Part TypeCrate Engines
Product LineATK High Performance GM 365 LQ4 550 HP Stage 1 Long Block Crate Engines
QuantitySold individually.
Rear Main Seal Style1-piece
RemanufacturedYes
Spark Plug Wires IncludedNo
Spark Plugs IncludedNo
Supercharger IncludedNo
Throttle Body IncludedNo
Timing Cover IncludedNo
UPC653517546105
Valve Covers IncludedNo
Water Pump IncludedNo
Wiring Harness IncludedNo
Engineered for
real-world performance
LQ4-LB-1

DELIVERY & AFTER-SALES INFORMATION

Shipping & Returns

Important information for this product before and after purchase.
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NST Cargo coordination

Heavy or oversized equipment delivery is coordinated according to the product and destination address.

Delivery estimate

Timing and applicable delivery arrangements are confirmed during checkout or by Kayros Tool support.

Return assistance

Contact Kayros Tool before returning an item so eligibility, product condition, and return instructions can be confirmed.

Overview

The ATK LQ4-LB-1 is a remanufactured GM 365 LQ4 (6.0L) Stage 1 long block rated 550 HP, with 10.3:1 compression, aluminum heads, cast iron block, hydraulic roller cam and internal balance. Only the cylinder heads are included; other components are not included.

Specifications

  • Brand: ATK High Performance Engines
  • Part / Model Number: LQ4-LB-1
  • Actual Engine Displacement: 6.0L/364
  • Advertised Compression Ratio: 10.3:1
  • Assembled: Yes
  • Cam Style: Hydraulic roller
  • Crate Engine Cylinder Head Material: Aluminum
  • Crate Engine Family: Chevy LS
  • Engine Balance: Internal
  • Engine Block Material: Cast iron
  • Part Type: Crate Engines
  • Product Line: ATK High Performance GM 365 LQ4 550 HP Stage 1 Long Block Crate Engines
  • Rear Main Seal Style: 1-piece
  • Remanufactured: Yes

Included: Cylinder Heads.

Specifications

Actual Engine Displacement: 6.0L/364

Advertised Compression Ratio: 10.3:1

Air Cleaner Included: No

Assembled: Yes

Brand: ATK High Performance Engines

Cam Style: Hydraulic roller, OE roller

Carburetor Included: No

Computer Included: No

Crate Engine Cylinder Head Material: Aluminum

Crate Engine Family: Chevy LS

Cylinder Heads Included: Yes

Distributor Included: No

Engine Balance: Internal

Engine Block Material: Cast iron

Flexplate Included: No

Flywheel Included: No

Harmonic Balancer Included: No

Intake Manifold Included: No

Manufacturer's Part Number: LQ4-LB-1

Oil Pan Included: No

Part Type: Crate Engines

Product Line: ATK High Performance GM 365 LQ4 550 HP Stage 1 Long Block Crate Engines

Quantity: Sold individually.

Rear Main Seal Style: 1-piece

Remanufactured: Yes

Spark Plug Wires Included: No

Spark Plugs Included: No

Supercharger Included: No

Throttle Body Included: No

Timing Cover Included: No

UPC: 653517546105

Valve Covers Included: No

Water Pump Included: No

Wiring Harness Included: No

Shipping & Returns

NST Cargo coordination: Heavy or oversized equipment delivery is coordinated according to the product and destination address.

Delivery estimate: Timing and applicable arrangements are confirmed during checkout or by Kayros Tool support.

Returns: Contact Kayros Tool before returning an item so eligibility, condition, and instructions can be confirmed.

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ATK LQ4-LB-1 Stage 1 Long Block Crate Engine – GM 365 LQ4, 550 HP$4,977.98